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Variables predictive of voiding disfunction following aponeurotic sling surgery: multivariate analysis
Sílvio H M de Almeida1, Emerson Gregòrio, Sawla El Sayed
1Sector of Urology, Department of Surgery, State University of Londrina, Paraná, Brazil. salmeida@sercomtel.com.br
Summary
Pre-operative post-voiding residual urine over 100 mL is a key predictor of voiding dysfunction after aponeurotic sling surgery. Identifying this factor can help manage patient expectations and outcomes for urinary retention.
Area of Science:
- Urology
- Female Pelvic Medicine
- Surgical Outcomes
Background:
- Aponeurotic sling surgery is a common procedure for stress urinary incontinence.
- Voiding dysfunction, including urinary retention, affects 5-20% of patients post-surgery.
- Predictive factors for post-operative voiding difficulties remain understudied.
Purpose of the Study:
- To identify clinical and urodynamic factors predicting voiding dysfunction after aponeurotic sling surgery.
- To analyze pre-operative variables associated with post-operative urinary retention.
Main Methods:
- Retrospective review of 130 patients undergoing aponeurotic sling surgery.
- Pre-operative urodynamic studies were performed on all patients.
- Key variables included age, prior pelvic surgeries, post-voiding residue, and urinary flow rate.
Main Results:
- Post-operative normal voiding was achieved in 75.6% of patients within 7 days.
- A pre-operative post-voiding residue exceeding 100 mL was the sole significant predictor of voiding dysfunction.
- This finding was consistent in both univariate (p=0.014) and multivariate (p=0.017) analyses.
Conclusions:
- Pre-operative post-voiding residual urine volume is a critical indicator for potential post-operative voiding dysfunction.
- This predictive factor can aid in patient counseling and surgical planning.
- Further research may explore interventions for patients with high pre-operative residual volumes.
